\documentclass[5p, authoryear]{elsarticle}
\usepackage[utf8]{inputenc}
%\usepackage[T1]{fontenc}
\usepackage[english]{babel}
\usepackage{amsmath,amsfonts,amssymb,wasysym}	% Mathématiques
\usepackage{fourier}
\usepackage{subscript}
%\usepackage{layout}
%\usepackage[a4paper,hmargin=1.5cm,vmargin=3cm]{geometry}
%\usepackage{graphicx}	% gestion des figures
%\usepackage{titlesec}
\usepackage{xspace}		% Commande \xspace pour les macros ajoute un espace si nécessaire
%\usepackage{placeins}	% Pour placer le figures trop chiantes
%\usepackage[Bjornstrup]{fncychap} % Mise en page des entêtes de chapitre
%\usepackage{multirow}
%\usepackage{multicol}
%\usepackage{array}
%\usepackage{color}
\usepackage{xcolor}
\usepackage{lipsum}
\usepackage[babel=true]{csquotes}
%\usepackage{pdflscape}		% Gestion des pages paysage \begin{landscape}
\usepackage[none]{hyphenat}
%\usepackage{rotating}
\usepackage{textcomp}	% Symbole celcius, euro etc.
\usepackage{subfig}		% gestion des sous figure
%\usepackage{pdfpages}
%\usepackage[round]{natbib} % bilbiographie
%\usepackage{tikz} % Dessin vectoriel
%\usepackage{listings} % Coloration syntaxique du code
%\usepackage{enumitem} % gestion des listes
\usepackage[pdftex=true%
		    hyperindex=true,%
		    linkcolor=myred,%
		    urlcolor=myred,%
		    filecolor=myred,%
		    citecolor=myred,%
		    colorlinks=true]{hyperref}		    
%\frenchbsetup{StandardLists=true} % gestion du conflit entre frenchb et enumitem

\definecolor{myred}{rgb}{0.4,0,0}

\newcommand{\gl}{G-layer\xspace}
\newcommand{\down}{\textsubscript}
\newcommand{\sa}{\textit{Simarouba amara}\xspace}
\newcommand{\Fig}[1]{\figurename~\ref{#1}}

%\journal{Computer and Electronic in Agriculture}

\begin{document}

\sloppy

\begin{frontmatter}

%\author[INRA]{Jean-Romain Roussel\corref{cor}}
%\ead{jromain.roussel@gmail.com}
%
%\author[INRA,AgroParisTech]{Frédéric Mothe}
%\ead{mothe@nancy.inra.fr}
%
%\author[Loria]{Adrien Krähenbühl}
%\ead{mothe@nancy.inra.fr}
%
%\author[INRA,AgroParisTech]{Fleur Longuetaud}
%\ead{longueta@nancy.inra.fr}
%
%\cortext[cor]{Corresponding author}
%
%\address[INRA]{INRA, UMR1092 LERFoB, 54280 Champenoux, France}
%\address[AgroParisTech]{AgroParisTech, UMR1092 LERFoB, 54000 Nancy, France}
%\address[Loria]{LORIA, UMR CNRS 7503, Université de Nancy, Campus Scientifique, 54506 Vandœuvre-lès-Nancy Cedex, France}

\title{The non G-layer species \sa produce \gl in the young stage}
%\title{Change of the tension wood cell wall structure with ontogeny in \sa : from \gl to non-\gl}

\frontmatter

\begin{abstract}
%\lipsum[1]
\end{abstract}

\begin{keyword}
\gl \sep \sa \sep ontogeny \sep cell maturation \sep reaction wood \sep tension wood \sep artificial inclination
\end{keyword}

\end{frontmatter}

\input{1-Intro}
\input{2-MM}
%\input{4-Discussion}

\section*{References}

\bibliographystyle{elsarticle-harv}
\bibliography{bibliographie}
\end{document}